Update AI for Hit Location Damage, Dynamic Crosshair & Hit Markers

EndlessVendetta/Config/DefaultEngine.ini

@@ -40,6 +40,7 @@
 +DefaultChannelResponses=(Channel=ECC_GameTraceChannel1,DefaultResponse=ECR_Block,bTraceType=False,bStaticObject=False,Name="Projectile")
 +DefaultChannelResponses=(Channel=ECC_GameTraceChannel2,DefaultResponse=ECR_Block,bTraceType=False,bStaticObject=False,Name="Waypoint")
 +DefaultChannelResponses=(Channel=ECC_GameTraceChannel3,DefaultResponse=ECR_Ignore,bTraceType=False,bStaticObject=False,Name="Player")
++DefaultChannelResponses=(Channel=ECC_GameTraceChannel4,DefaultResponse=ECR_Block,bTraceType=False,bStaticObject=False,Name="Enemy")
 +EditProfiles=(Name="Trigger",CustomResponses=((Channel="Projectile",Response=ECR_Ignore)))
 -ProfileRedirects=(OldName="BlockingVolume",NewName="InvisibleWall")
 -ProfileRedirects=(OldName="InterpActor",NewName="IgnoreOnlyPawn")

EndlessVendetta/Source/EndlessVendetta/AI/AI_RestrictedZone.cpp

@@ -12,6 +12,7 @@ AAI_RestrictedZone::AAI_RestrictedZone()
 	// Set this actor to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
 	PrimaryActorTick.bCanEverTick = true;
 	BoxCollision = CreateDefaultSubobject<UBoxComponent>(TEXT("BoxCollision"));
+	BoxCollision->SetCollisionResponseToChannel(ECC_EngineTraceChannel4, ECR_Overlap);
 }
 
 // Called when the game starts or when spawned

EndlessVendetta/Source/EndlessVendetta/EndlessVendettaCharacter.cpp

@@ -70,6 +70,11 @@ void AEndlessVendettaCharacter::SetOverlayState(const EOverlayState OverlayState
 	SetOverlayStateEvent.Broadcast(OverlayState);
 }
 
+void AEndlessVendettaCharacter::SuccessfulHit(const bool bIsHeadshot) const
+{
+	SuccessfulHitEvent.Broadcast(bIsHeadshot);
+}
+
 void AEndlessVendettaCharacter::BeginPlay()
 {
 	// Call the base class  

EndlessVendetta/Source/EndlessVendetta/EndlessVendettaCharacter.h

@@ -171,6 +171,13 @@ public:
 	UPROPERTY(BlueprintAssignable, Category = "Restricted Area")
 	FRestrictedAreaStatusChangedSignature RestrictedAreaStatusChanged;
 
+	DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FSuccessfulHitEvent, bool, bIsHeadshot);
+
+	UPROPERTY(BlueprintAssignable, Category = "Weapons")
+	FSuccessfulHitEvent SuccessfulHitEvent;
+
+	void SuccessfulHit(bool bIsHeadshot) const;
+	
 protected:
 	virtual void BeginPlay() override;
 	virtual void Tick(float DeltaTime) override;

EndlessVendetta/Source/EndlessVendetta/WeaponSystem/BaseWeaponClass.cpp

@@ -179,7 +179,11 @@ void ABaseWeaponClass::Fire()
 		traceStart = Cast<USkeletalMeshComponent>(GetComponentByClass(USkeletalMeshComponent::StaticClass()))->GetSocketLocation("Muzzle");
 		traceEnd = traceStart + Cast<AEndlessVendettaCharacter>(GetWorld()->GetFirstPlayerController()->GetPawn())->GetFirstPersonCameraComponent()->GetForwardVector() * BulletDistance;
 		if (GetWorldTimerManager().IsTimerActive(timerHandle)) return;
-		GetWorld()->LineTraceSingleByChannel(outHit, traceStart, traceEnd, ECC_Visibility, collisionParams);
+		FCollisionObjectQueryParams ObjectQueryParams;
+		ObjectQueryParams.AddObjectTypesToQuery(ECC_Pawn);
+		ObjectQueryParams.AddObjectTypesToQuery(ECC_WorldStatic);
+		ObjectQueryParams.AddObjectTypesToQuery(ECC_WorldDynamic);
+		GetWorld()->LineTraceSingleByObjectType(outHit, traceStart, traceEnd, ObjectQueryParams, collisionParams);
 		WeaponFired.Broadcast();
 		playerControllerRef->PlayerCameraManager->StartCameraShake(CameraShakeClass, 1);
 		currentAmmoCount -= 1;
@@ -197,9 +201,24 @@ void ABaseWeaponClass::Fire()
 			{
 				tempWeaponDamage = WeaponDamage;
 			}
-			if (ATargetDummy* TargetDummy = Cast<ATargetDummy>(outHit.GetActor())) TargetDummy->TargetShot();
-			if (!Cast<AAICharacter>(outHit.GetActor())) return;
-			Cast<AAICharacter>(outHit.GetActor())->TakeDamage(tempWeaponDamage, FPointDamageEvent(), GetWorld()->GetFirstPlayerController(), this);
+			if (Cast<AAICharacter>(outHit.GetActor()))
+			{
+				if (outHit.BoneName.ToString().ToLower() == "head")
+				{
+					tempWeaponDamage *= 2;
+					endlessVendettaChar->SuccessfulHit(true);
+				}
+				else
+				{
+					endlessVendettaChar->SuccessfulHit(false);
+				}
+				Cast<AAICharacter>(outHit.GetActor())->TakeDamage(tempWeaponDamage, FPointDamageEvent(), GetWorld()->GetFirstPlayerController(), this);
+			}
+			if (ATargetDummy* TargetDummy = Cast<ATargetDummy>(outHit.GetActor()))
+			{
+				TargetDummy->TargetShot();
+				endlessVendettaChar->SuccessfulHit(false);
+			}
 		}
 		HideNeedReloadUI();
 	}